nationalise vs British spelling

nationalise is not a noun while British spelling is a noun.

Word	Noun	Adjective	Verb	Adverb
nationalise	No	No	Yes	No
British spelling	Yes	No	No	No

nationalise (noun)	British spelling (noun)
	English orthography used in the UK, Ireland and most of the Commonwealth (characterized by 'analyse', 'centre' and 'useable')

nationalise (verb)	British spelling (verb)
put under state control or ownership
make national in character or scope